Source Filmmaker

So..ive been working on sfm and i have made some progress! i got my barings on the whole program but ive run into a problem..im trying to import apochedgies sonic generation models to practice animating (Link here http://steamcommunity.com/sharedfiles/filedetails/106281995) but the thing is..i put the materials folder in the material folder in Usermods and the model folder in the model folder in Usermods and when i go into SFM the names for the models show up! But there completely invisible..i cant see them at all..did i so something wrong? or is there a fix? help..i would love it.. >.<